1979 Yamaha Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1979, based on 1,471 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Unclassified cars tested in 1979. Want to see how cars built in 1979 hold up over time?
View 1979 Yamaha Unclassified vintage page → (84.4% current pass rate)1979 Yamaha Unclassified MOT Analysis
The 1979 Yamaha Unclassified has an MOT pass rate of 83.0% based on 1,471 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,435 miles on the odometer. With a 17.0% failure rate, the 1979 Unclassified is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1979 Yamaha Unclassified is Identification of the vehicle, responsible for 0.3% of failures. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs range from £10–50. Motorcycle audible warning (Horn) is the second most common issue at 0.3%. Motorcycle lamps and reflectors follows at 0.1%.
Top failures specific to 1979 models only. The overall Unclassified page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Identification Of The Vehicle | 0.3% | 4 |
| 2 | Motorcycle Audible Warning (Horn) | 0.3% | 4 |
| 3 | Motorcycle Lamps And Reflectors | 0.1% | 2 |
| 4 | Motorcycle Brakes | 0.1% | 2 |
| 5 | Motorcycle Suspension | 0.1% | 1 |
Failures per 10,000 Miles
avg. 19,435 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Identification of the vehicle | 0.14 | 0.3% | 4 |
| Motorcycle audible warning (Horn) | 0.14 | 0.3% | 4 |
| Motorcycle lamps and reflectors | 0.07 | 0.1% | 2 |
| Motorcycle brakes | 0.07 | 0.1% | 2 |
| Motorcycle suspension | 0.03 | 0.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1979 Yamaha Unclassified has an MOT pass rate of 83.0% based on 1,471 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,435 miles on the odometer. With a 17.0% failure rate, the 1979 Unclassified is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1979 Yamaha Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to identification of the vehicle: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing. With relatively low average mileage of 19,435 miles, many of these vehicles are still in good mechanical condition.
Identification of the vehicle — 0.3% of failures
Identification of the vehicle issues account for 0.3% of MOT failures on 1979 Yamaha Unclassified models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.
Motorcycle audible warning (Horn) — 0.3% of failures
Motorcycle audible warning (Horn) issues account for 0.3% of MOT failures on 1979 Yamaha Unclassified models. Motorcycle audible warning (Horn) issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle lamps and reflectors — 0.1% of failures
Motorcycle lamps and reflectors issues account for 0.1% of MOT failures on 1979 Yamaha Unclassified models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.